Shredder



FIG. 1 is a perspective view of a shredder showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a right side elevation thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a left side elevation thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing of environment in the figure drawings is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a shredder, as shown and described. 